New 5055E

   / New 5055E #41  
I've already been told by someone it was normal to have to pump them once. I called BS and according to the manual under trouble shooting, if they brakes are soft or go down to far, they need to be bled. How, I haven't a clue. So far everything with the dealer has been great. I'm going in the morning to check on the status of it.

Brett

Good to hear that your dealer is "on point"! I've never pumped the brakes on my 75M. Ever.. That would be a 'line in the sand' for me..

Best of luck, Brett.

AKfish
 
   / New 5055E #42  
I agree. Can't settle for brakes that need pumped. Especially in my World where I might be within a few inches of going off a ledge that I don't want to go down. Usually "pumping brakes" indicates air or shoes/pads that are worn out, which he wouldn't have. I hope his dealer stays with him and gets these issues all worked out.
 
   / New 5055E #43  
We may have pumped brakes back in the "old" days when cars/trucks had master cylinders and would be low on fluid or blown brake cylinders in one or more wheels.
For sure, Deere hasn't reverted back to those days 40-50 years ago. I say BS to anyone talking about "pumping" a brake pedal.
 
   / New 5055E #44  
The brakes do have more travel than on some earlier models due to the brake retractors. Deere changed this design to prevent brake drag and help economy. You should not, however have to pump the brakes. Brake pedals should go down 3-4 inches and have good holding power on first application. If brakes go to floor on first application, something is wrong. Air in system, improper adjustment or a leak in the system.
 
   / New 5055E #45  
Im guessing mine go down 3 to 4 inches on the first pump. The second pump maybe an inch at most. They seem to work fine on first pump. It just seems weird compared to any other tractor. I quickly got use to it.
 
   / New 5055E #46  
I have drove a 5400 and a 5310 a good bit. Both of them where for the most part trouble free. How can Deere take a good design and go backwards is beyond me. Usually they take a good design and perfect it with every model.
 
   / New 5055E #47  
The brakes do have more travel than on some earlier models due to the brake retractors. Deere changed this design to prevent brake drag and help economy. You should not, however have to pump the brakes. Brake pedals should go down 3-4 inches and have good holding power on first application. If brakes go to floor on first application, something is wrong. Air in system, improper adjustment or a leak in the system.

Could you tell me when this change took place? Did the old system use retractor springs?

Bill
 
   / New 5055E #48  
The brake disc pull off springs were added either on the 55 series or the 5000 series. Earlier models had no brake springs. JDparts is unavailable right at this moment or I would look up the correct model.
Update:
Addition of brake disk pull off springs began with 50 series tractor models built for European sales & 55 series for N American sales
 
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   / New 5055E #49  
I don't wish to hijack the thread, I was just thinking about the need of some to pump their brakes.

Back when vehicles used drum brakes, as the shoes wore out, the distance the shoe needed to travel increased, as the retracting springs kept the shoes pulled in, away from the drum. Pumping the brakes became necessary. Adjust the shoes so they are closer to the drum, and things are back to normal.

Enter disk brakes, which had no retracting springs. as the pads wear they remain in contact with the disk, so there is no adjustment necessary.

Enter JD who installs retracting springs on disk brakes which have no provisions for adjustment, and your back to pumping brakes. As mentioned in a previous post, to correct a jamming problem in the brake system mechanics are removing the (unnecessary) retracting springs.

Am I missing something here?
 
   / New 5055E #50  
Very insightful post, Notforhire. You explained the timeline very well.

Am I missing something here?
The only thing missing in your timeline is the "why". From what I remember, JD had a problem on the 5 series where the disc brakes would stick and then heat up.

Sounds like this is one of those situations where the solution causes more issues than the original problem.
 

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